Try Boss of Cheaper than Hotel Taxis in Khao Lak. Good recommendations by members in previous posts. Good cars with Air Con. Very competitive prices. Australian friends recently used him and were charged 1200 baht for Airport to Le Meridien and 1700 baht for Le Meridien to Patong.
Contact him on email@example.com or 085 7861378
Same reply as to OP. Try Boss for both journeys.
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